Buy 2012 Lexus IS 250C CAP SUB-ASSEMBLY, RESERVE TANK. Engine Coolant Expansion Tank - Repair or Engine, Expansion, Cause - OEM Lexus Part # 1640531040 (16405-31040)

CAP SUB-ASSY, RESERVE TANK

Fits IS 250, IS 250C, IS 350, IS 350C

Engine Coolant Expansion Tank - Repair or Replace
A failed expansion tank can cause the cooling system in your 2012 Lexus IS 250C to leak antifreeze, or it can cause your engine to overheat. If you're losing coolant, contact our service department to avoid engine damage.